Tri City National Bank, Southgate Branch Basic Info Reviews Routing Numbers Map & Direction Name: Tri City National Bank, Southgate Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 3378 South 27th Street Milwaukee, Wisconsin 53215 Milwaukee County View other branches Phone: 414-643-1410 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer075001199YY075911182YY From: To: